/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Created on 31-dic-2004
*/
package org.geotools.geometry.jts.coordinatesequence;
import com.vividsolutions.jts.geom.CoordinateSequence;
import com.vividsolutions.jts.geom.impl.PackedCoordinateSequence;
import com.vividsolutions.jts.geom.impl.PackedCoordinateSequenceFactory;
/**
* An implementation of a JTS CSBuilder which uses a PackedCoordinateSequence.
*
* @author wolf
*
*
* @source $URL$
*/
public abstract class PackedCSBuilder implements CSBuilder {
int size = -1;
int dimensions = -1;
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#getSize()
*/
public int getSize() {
return size;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#getDimension()
*/
public int getDimension() {
return dimensions;
}
public static class Double extends PackedCSBuilder {
double[] ordinates;
PackedCoordinateSequenceFactory factory = new PackedCoordinateSequenceFactory(PackedCoordinateSequenceFactory.DOUBLE);
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#start(int,
* int)
*/
public void start(int size, int dimensions) {
ordinates = new double[size * dimensions];
this.size = size;
this.dimensions = dimensions;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#end()
*/
public CoordinateSequence end() {
CoordinateSequence cs = factory.create(ordinates, dimensions);
ordinates = null;
size = -1;
dimensions = -1;
return cs;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#setOrdinate(double,
* int, int)
*/
public void setOrdinate(double value, int ordinateIndex,
int coordinateIndex) {
ordinates[coordinateIndex * dimensions + ordinateIndex] = value;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#getOrdinate(int,
* int)
*/
public double getOrdinate(int ordinateIndex, int coordinateIndex) {
return ordinates[coordinateIndex * dimensions + ordinateIndex];
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#setOrdinate(com.vividsolutions.jts.geom.CoordinateSequence, double, int, int)
*/
public void setOrdinate(CoordinateSequence sequence, double value, int ordinateIndex, int coordinateIndex) {
PackedCoordinateSequence pcs = (PackedCoordinateSequence) sequence;
pcs.setOrdinate(coordinateIndex, ordinateIndex, value);
}
}
public static class Float extends PackedCSBuilder {
float[] ordinates;
PackedCoordinateSequenceFactory factory = new PackedCoordinateSequenceFactory(PackedCoordinateSequenceFactory.FLOAT);
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#start(int,
* int)
*/
public void start(int size, int dimensions) {
ordinates = new float[size * dimensions];
this.size = size;
this.dimensions = dimensions;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#end()
*/
public CoordinateSequence end() {
CoordinateSequence cs = factory.create(ordinates, dimensions);
ordinates = null;
size = -1;
dimensions = -1;
return cs;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#setOrdinate(double,
* int, int)
*/
public void setOrdinate(double value, int ordinateIndex,
int coordinateIndex) {
ordinates[coordinateIndex * dimensions + ordinateIndex] = (float) value;
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#setOrdinate(com.vividsolutions.jts.geom.CoordinateSequence, double, int, int)
*/
public void setOrdinate(CoordinateSequence sequence, double value, int ordinateIndex, int coordinateIndex) {
PackedCoordinateSequence pcs = (PackedCoordinateSequence) sequence;
pcs.setOrdinate(coordinateIndex, ordinateIndex, value);
}
/**
* @see org.geotools.geometry.coordinatesequence.CSBuilder#getOrdinate(int,
* int)
*/
public double getOrdinate(int ordinateIndex, int coordinateIndex) {
return ordinates[coordinateIndex * dimensions + ordinateIndex];
}
}
}